Inspect code with Cucumber plugin 'unused' in dry run mode

 Problem: During long work with the Automation test framework we collect multiple cases and even greater number of test steps. And we had no automatic mechanism to validate/check if all the steps: 

1. are still used (maybe some are obsolete/redundant/deprecated)

2. are valid in test cases ('missing step definition')

Solution: To do some garbage clean with found implemented plugin - add a special test class with dryRun option and plugin unused:

@RunWith(Cucumber.class)
@CucumberOptions(
        dryRun = true,
        features = "src/main/resources/",
        glue = "com.prosper.test.automation",
        monochrome = true,
        plugin = "unused:target/unused.log")
public class CheckMissingCucumberStepsRunner {
}

To compile it successfully, need add corresponding dependencies:

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
        </dependency>

        <dependency>
            <groupId>io.cucumber</groupId>
            <artifactId>cucumber-junit</artifactId>
            <version>7.2.3</version>
            <scope>test</scope>
        </dependency>

(number of failed tests will be available right on 'Run' panel in Idea; number of unused steps will be listed in target/unused.log file with list of all unused steps)



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